What structures are affected in Wallenberg syndrome?

Wallenberg syndrome is also known as lateral medullary syndrome and posterior inferior cerebellar artery syndrome. This neurological disorder is associated with a variety of symptoms that occur as a result of damage to the lateral segment of the medulla posterior to the inferior olivary nucleus.

What cranial nerves are affected in Wallenberg syndrome?

Cranial Nerves IX (Glossopharyngeal) and X (Vagus) The lateral medullary syndrome, also known as Wallenberg’s syndrome, is the prototype lesion involving the nuclei of cranial nerves IX and X.

What are the characteristics of lateral medullary syndrome?

The usual symptoms of lateral medullary infarction include vertigo, dizziness, nystagmus, ataxia, nausea and vomiting, dysphagia, and hiccups. Dysphagia is more profound in lateral medullary syndrome patients.

What happens in lateral medullary syndrome?

Common symptoms with lateral medullary syndrome may include difficulty swallowing, or dysphagia. This can be caused by the involvement of the nucleus ambiguus, as it supplies the vagus and glossopharyngeal nerves. Slurred speech (dysarthria), and disordered vocal quality (dysphonia) are also common.

Which artery is affected in Wallenberg syndrome of medulla?

Wallenberg syndrome (WS) is a neurological disorder that is due to damage to the lateral portion of the medulla oblongata (i.e., the lateral medullary syndrome). WS is typically due to ischemia from a vertebral artery or posterior inferior cerebellar artery infarction.

What does Wallenberg mean?

Swedish: ornamental name composed of the elements Wall + the suffix – en (originally German) + berg ‘mountain’, ‘hill’.

Why is it called Wallenberg syndrome?

Named after Adolf Wallenberg in 1895, this neurological condition is characterized by lateral medullary infarction resulting from an occlusion of the posterior inferior cerebellar artery (PICA) or the vertebral artery.

How does Wallenberg syndrome happen?

Wallenberg syndrome is usually caused by a brain stem stroke that occurs in the vertebral or posterior inferior cerebellar arteries of the brain stem, per GARD. Less often, it can be caused by a stroke that occurs in the medullary arteries, notes StatPearls.

How is Wallenberg syndrome diagnosed?

How Is Wallenberg Syndrome Diagnosed? According to StatPearls, your doctor will likely conduct a physical exam, and may order tests including: MRI with diffusion-weighted imaging (DWI) to confirm the location of the stroke.

What type of stroke is Wallenberg syndrome?

Wallenberg’s syndrome is a neurological condition caused by a stroke in the vertebral or posterior inferior cerebellar artery of the brain stem.

How do you get Wallenberg syndrome?